I was a little white, want to know the Modbus TCP applications in c + + hope to experience a great god can give me a detailed explanation,
I appreciate the first here,

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You send this I saw I mainly vs the MFC connection part of the head also didn't understand can you speak more detailed point

CodePudding user response:

Create the winsock, connected to the corresponding IP and port
According to the modbus protocol for sending data to create
Will send the data to the winsock send
Waiting for the number of milliseconds (sleep)
Receive winsock data
Interpret data